Minecraft Java 1.21 Mods
Browse 3,384 free mods for Minecraft Java 1.21 — popular picks include APEX utilitys, WXJK's Simple Pocket Dimensions, System Crafts.
Updated daily
APEX utilitys
an utility/qol for casual players and pvp masters
WXJK's Simple Pocket Dimensions
This project adds 3 tiers of pocket dimensions that you can craft and enter. each player will have their own if they craft it.
System Crafts
This datapack will add crafting of some items and blocks that have existed for a long time in minecraft, but do not have their own crafting!
NPCSpeak
AI-powered Minecraft NPCs that actually negotiate, persuade, interrogate, and quest, not just chat.
YepHub
a all in one plugin with lot of plugin combine into one
HerePunchy
A paper plugin to handle automated combat with support for Auraskills

Wirelessblock
Adds WirelessRedstone to your World, link your Controller to your Redstone and Controll it Wireless.
Dirty Detect
A plugin that allows you to detect hack clients using the Sign Translation 'Vulnerability'. Most of the newer clients patched this, but it works flawlessly for older clients.
TickShield
TickShield Anticheat Plugin 1.21x
RealInvest
Banking & stocks for Paper 1.21 (Vault required). Create IBAN accounts, transfer funds, and trade dynamic stocks. Beta – not production-ready!
VClickBlockCommand
V-ClickBlockCommand - Transform any block into a powerful command executor!
PlayCustomSounds
This project allowed owners to add new disc to their server
Renewable Diamonds
Adds Diamond Recipe, if you hate going into the caves

TownyPersistentToggle
A Minecraft plugin that ensures Towny toggle settings persist across player logins and server restarts.
lptab
plugin that shows player's name, coordinates and ping when tab is pressed
RedstoneSpawnersReloaded
RedstoneSpawnersReloaded is a very simple plugin which makes Mob Spawners toggleable via a redstone signal.

Gr33n's Economy 2
A Remake of Gr33n's Economy(AKA Gr33n's Coin collection)
Grinding Station
The Grinding Station brings a vanilla+ way to turn your raw ore into ore dust, that then can be smelted into ingots! Also allows for processing other items as well.
Forged in Blood
A third life mod with a dark twist.
WorldRules
A lightweight permissions toggle for events, minigames, and any moment when you need to lock down chat or interactions on the fly. it's about flipping a switch and changing what your players can do right now.
CrystallAdmin
This plugin adds extensive capabilities for server administration.
P_TopJogadores
Top Players via placeholders, NPC support, and holograms.
DiolezSpectate
A clean and functional specate plugin for private cpvp servers.
Simple Back to Block
This datapack adds a “Back to Block” crafting system that allows players to convert many block variants back into their original full block form.
Consistent Drops
A simple plugin that makes block drops fall straight down instead of flying off in random directions.
TSLzone
A zone damage plugin compatible with Folia.
HollowScanner
HollowScanner is a Minecraft 1.21.4 Bukkit plugin that adds a handheld scanner item to help players detect nearby caves and dungeons underground by providing vibration feedback via sounds and particles.
Online Bank
Datapack that adds "online" bank to simplify the use of server's currency
Pinoy-Sabong
Ultimate Cockfight is a fully automated betting minigame for Paper 1.21.1! Spawn a custom NPC, let players bet on WALA or MERON using Vault economy, and watch custom AI chickens battle to the death beneath a live holographic scoreboard.
Animated Doors Alternative
Fork of Animated Doors datapack for servers!
slime ++
Slime blocks are now upgradeable!
RegionInfo
RegionInfo | Region and player names in Action Bar and more
Sculktech
Adding Sculk Machinery And Lethal Blocks!
LifeLimitz
A hardcore life management plugin featuring custom resurrection rituals. Limit lifes!
Arrow owner fix
Fixes Arrows sometimes loosing ownership when logging off the server.
technis
TECHNIS is a voice-activated AI assistant for Minecraft 1.21.4 - like Jarvis. Speak to the mic, TECHNIS sees your inventory, health, mobs, and replies with speech. Animated orb HUD, proactive alerts, info panel, in-game config. Requires Groq API key.